diff --git a/spacy/lexeme.pyi b/spacy/lexeme.pyi
index 4fcaa82cf..9b7a6156a 100644
--- a/spacy/lexeme.pyi
+++ b/spacy/lexeme.pyi
@@ -25,7 +25,8 @@ class Lexeme:
     def orth_(self) -> str: ...
     @property
     def text(self) -> str: ...
-    lower: str
+    orth: int
+    lower: int
     norm: int
     shape: int
     prefix: int
diff --git a/spacy/lexeme.pyx b/spacy/lexeme.pyx
index 6c66effde..e70feaf9a 100644
--- a/spacy/lexeme.pyx
+++ b/spacy/lexeme.pyx
@@ -199,7 +199,7 @@ cdef class Lexeme:
         return self.orth_
 
     property lower:
-        """RETURNS (str): Lowercase form of the lexeme."""
+        """RETURNS (uint64): Lowercase form of the lexeme."""
         def __get__(self):
             return self.c.lower